Home / 59,618.16-89,371.64-20,147.68

Finding the Fourth Proportional to 59,618.16, 89,371.64 and 20,147.68

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Solution

The fourth proportional to 59,618.16, 89,371.64 and 20,147.68 is: 30,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,618.16 : 89,371.64 = 20,147.68 : x
  2. Step 2: Convert to fraction form
    59,618.16/89,371.64 = 20,147.68/x
  3. Step 3: Cross multiply
    59,618.16x = 89,371.64 × 20,147.68
  4. Step 4: Simplify right side
    59,618.16x = 1,800,631,203.80
  5. Step 5: Solve for x
    x = 1,800,631,203.80/59,618.16
  6. Step 6: Final answer
    x = 30,202.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.